IMO AirBnb and Couchsurfing have to entirely different aims.

AirBnB is about the space itself. You pay for the space.

Couchsurfing is about the people sharing the space with you, cultural-exchange, etc. You do not pay, it's more about connecting and meeting with people.

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subarctic 2 days ago | parent [-]

Ya in some cases Airbnb can be like Couchsurfing if the host is there in the same apartment/house and actually more of a host/local guide, and I think some Couchsurfing hosts may have transitioned to Airbnb, but there's definitely a difference in what the "default" expectation is

	▲	bemmu 2 days ago \| parent [-]
		We've been hosting both AirBnB and Couchers/CouchSurfing. AirBnB has the vibe that you as the host are a provider of a service, which will be rated by the "customer". Couchsurfing is just some people hanging out.